The mid-nineteenth century saw the development of a radical new direction in chemistry: instead of simply analyzing existing molecules, chemists began to synthesize them—including molecules that did ...

Dec. 31, 2025 Microplastics in rivers, lakes, and oceans aren’t just drifting debris—they’re constantly leaking invisible clouds of chemicals into the water. New research shows that sunlight drives ...

Vast swaths of the ponderosa pine forests that blanket Colorado's Front Range mountains could turn rust-colored and die over the next five years as pine beetles begin to spread aggressively, new ...